mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
8f025a2c56
This commit makes `LineRenderer` and `TextRenderer` to batch line and text rendering. Batching them has shown a significant speedup, especially when usin CUDA.
72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_rendering_TextRenderer_h
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#define vtk_m_rendering_TextRenderer_h
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#include <string>
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#include <vtkm/rendering/BitmapFont.h>
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#include <vtkm/rendering/Canvas.h>
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#include <vtkm/rendering/Color.h>
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#include <vtkm/rendering/vtkm_rendering_export.h>
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namespace vtkm
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{
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namespace rendering
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{
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class TextRendererBatcher;
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class VTKM_RENDERING_EXPORT TextRenderer
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{
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public:
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VTKM_CONT
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TextRenderer(const vtkm::rendering::Canvas* canvas,
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const vtkm::rendering::BitmapFont& font,
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const vtkm::rendering::Canvas::FontTextureType& fontTexture,
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vtkm::rendering::TextRendererBatcher* textBatcher);
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VTKM_CONT
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void RenderText(const vtkm::Vec2f_32& position,
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vtkm::Float32 scale,
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vtkm::Float32 angle,
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vtkm::Float32 windowAspect,
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const vtkm::Vec2f_32& anchor,
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const vtkm::rendering::Color& color,
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const std::string& text);
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VTKM_CONT
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void RenderText(const vtkm::Vec3f_32& origin,
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const vtkm::Vec3f_32& right,
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const vtkm::Vec3f_32& up,
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vtkm::Float32 scale,
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const vtkm::Vec2f_32& anchor,
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const vtkm::rendering::Color& color,
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const std::string& text);
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VTKM_CONT
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void RenderText(const vtkm::Matrix<vtkm::Float32, 4, 4>& transform,
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vtkm::Float32 scale,
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const vtkm::Vec2f_32& anchor,
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const vtkm::rendering::Color& color,
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const std::string& text,
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const vtkm::Float32& depth = 0.f);
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private:
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const vtkm::rendering::Canvas* Canvas;
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vtkm::rendering::BitmapFont Font;
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vtkm::rendering::Canvas::FontTextureType FontTexture;
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vtkm::rendering::TextRendererBatcher* TextBatcher;
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};
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}
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} // namespace vtkm::rendering
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#endif // vtk_m_rendering_TextRenderer_h
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